Nitric acid in nature is mainly formed by nitric oxide generated in thunderstorm days or nitrogen dioxide released from microbial life activities. Human activities also produce nitrogen oxides. There are many nitrogen oxides discharged from human pollution sources every year in the world,

According to the analysis, "from the end of last year to now, nitrogen, phosphorus and compound fertilizers have increased in varying degrees, with the increase ranging from 500-700 yuan / ton."

According to the introduction of general manager Liu of Tongli Chemical Co., Ltd., the fertilizers as excellent potassium sources are potassium nitrate, potassium sulfate, potassium dihydrogen phosphate and potassium chloride, with the following differences:

1. The world's advanced one-step hydrolysis of methyl formate to produce formic acid. That is to say, carbon monoxide and methanol generate methyl formate under the action of catalyst. Methyl formate and non-ionic water are hydrolyzed at a certain temperature and pressure.

With the recovery of the international oil price, the advantage of foreign acetic acid cost gradually weakened, and with the alleviation of the epidemic, the foreign demand returned to normal, the domestic acetic acid export volume also gradually recovered to the normal level.

Today, the domestic soda ash market has partially reduced its load and stabilized its operation.

Entering this week, the domestic methyl ethyl ketone market is slowly dropping, and the atmosphere is deadlocked.

This week the domestic isopropanol market rose rapidly. As of February 20, East China isopropanol market mainstream offer in 8850 Yuan/ton, up 750 yuan/ton from February 9.

Today's mainstream transactions in Shandong are between 6000-6100 yuan / ton; the current mainstream transaction in North China is 6000-6100 yuan / ton;

Today, the sulfuric acid market declined individually.